Here I present: Tracy L. Lewis, “The Cell Biology of Sponges”, 2011 which was a textbook. The Poriferan (sponges) are the simplest invertebrates. Sponges consist of only 15 different cell types. This is in contrast to humans, which contain 211 cell types in the adult body. Thus, sponges are used in research as model organisms. Continue reading Tracy L. Simpson, The Cell Biology of Sponges”, 2011.
Alexander Oparin,”The Origin of Life”, 1924 in this classic of biochemistry put forward his ideas, on the origin of life on planet Earth. This is before Urey-Miller and Carl Sagan put forth there views of the origins of life. Continue reading Alexander Oparin, “The Origin of Life”, 1924.
The writers of this Scientific American article on taste begin with the statement of the number of taste types is four or five. The typical version is: 1. salty, 2. sour, 3. sweet, 4. bitter and 5. savory (umami). Food compounds are taste classified into these groups. The receptor proteins that bind these are known. Continue reading "Making Sense of Taste", Scientific American, 2001 March.
